Testing military systems in the air is expensive. The Navy has found a way to do more of that work on the ground

The Navy and the Indiana National Guard recently unveiled what they describe as the nation's first ground-based sled track capability for testing aircraft countermeasures. The facility can simulate flight conditions at speeds approaching Mach 1 while giving engineers more opportunities to test before taking systems into the air. Here to tell us how it all works is Nancy Maloy, from Naval Surface Warfare Center Crane.

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